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WA-27 DotWelder

A Dot Welder is a 60 cycle, single phase, alternating current transformer equipped with the necessary controls to electrically fuse new metal pellets to the base metal in the repair of molds, dies and other surfaces where a smooth finish is required. Its function is somewhat similar to the of a conventional spot welder but does not require the complex sequence timing and forging pressure necessary for spot welding.

Basically the transformer changes the line voltage to a low open circuit voltage as a result of the ratio of wire turns and consequently gives rise to a very high amperage in the secondary leads. This high current density in the secondary line creates the useful heat for fusing the pellet into the base metal.
The voltage is only 3 to 6 volts AC and when all circuit components are functioning properly it is impossible
to receive a shock from this low voltage. An additional non-current carrying green wire is included for safety.

Restore and repair plastic molding dies, injection dies.
Salvage precision rollers, dies, pistons and cylinders.
Fill imperfections prior to plating, grinding, etc.
Repair foundry castings.

Specifications
Model	Primary 230		Primary 460		Size	Weight
WA 27	Volts AC Phase Hertz KW Rated PRi Amp	230 1 50-60 5.4 40	Volts AC Phase Hertz KW Rated PRi Amp	460 1 50-60 5.4 20	14" High 13-1/2" x 16"	Shipping Approx. 115 lbs.

MANUFACTURERS LIMITED GUARANTEE AND WARRANTY

This is to certify that this equipment has been thoroughly checked and tested before shipment and is free of mechanical and electrical defect. Should defects due to faulty material or workmanship develop within one year from date of sale, the equipment will be repaired and put in workable condition, free of charge, provided it is returned to our factory or authorized service station, transportation prepaid, after issuance of return goods tags has been made by the factory or authorized service station authorizing such return, This limited guarantee and warranty does not cover cables, plugs; receptacles, switches, electrode holder or ground clamp, nor is it valid if the item has been misused, abused or tampered with.